package cn.tedu.v4;

import java.io.*;
import java.net.Socket;
import java.net.SocketException;
import java.net.UnknownHostException;
import java.util.Scanner;

/**
 * 多人聊天室Version 3.1

 */
public class Client {

    private static final String HOST="192.168.107.174";
    private static final Integer PORT=0202;

    private Socket socket;

    private String ip;

    private PrintWriter pw;
    private BufferedReader br;

    public Client(){
        try {

            socket=new Socket(HOST,PORT);
            ip=socket.getInetAddress().getHostAddress();

            br=new BufferedReader(new InputStreamReader(socket.getInputStream(),"UTF8"));

            pw=new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(),"UTF8")),true);



        } catch (SocketException e){
            System.out.println("连接被重置或者断开");
        }catch (UnknownHostException e){
            System.out.println("IP地址有问题，请询问服务器端！");
        } catch (IOException e) {
            System.out.println("客户端主动退出了：断开链接");
        }
    }


    public void start(){

        try {

            new Thread(()->{
                try {

                    String message;

                    while((message=br.readLine())!=null){//读入服务器
                        System.out.println("服务器说："+message);

                        System.out.print("客户端请输入：");
                    }
                } catch (IOException e) {
                    System.out.println("服务器端发来的消息断开了~");
                }
            }).start();

            Scanner input=new Scanner(System.in);

            while(true){
                System.out.println("客户端请输入：");
                String sme=input.nextLine();
                pw.println("客户端说："+sme);
            }

        } finally {
            if (pw!=null)
                pw.close();
            if (br!=null) {
                try {
                    br.close();
                } catch (IOException e) {
                    System.out.println("服务器端通讯失败断开链接");
                }
            }
            if(socket!=null&&!socket.isClosed()){
                System.out.println("客户端关闭成功！success~");
                try {
                    socket.close();
                } catch (IOException e) {
                    System.out.println("客户端关闭失败");
                }
            }

        }
    }

    public static void main(String[] args){
        new Client().start();
    }
}
